pgsql: pg_validatebackup: Adjust TAP tests to undo permissions change.

pg_validatebackup: Adjust TAP tests to undo permissions change.

It may be necessary to go further and remove this test altogether,
but I'm going to try this fix first. It's not clear, at least to
me, exactly how this is breaking buildfarm members, but it appears
to be doing so.

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/19c0422ad012636d00ba221bd7052cb71448efca

Modified Files
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src/bin/pg_validatebackup/t/003_corruption.pl | 10 ++++++++++
1 file changed, 10 insertions(+)